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Now that the bcachefs tool unconditionally includes the mount parts
(or more correctly, you cannot build it at all if you don't have Rust),
we can call copy_exec on mount.bcachefs, to get the symlink installed.
In particular, this helps with mounting UUID mounts as /.
See also https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1060411
for the remaining parts needed in initramfs-tools itself.
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I spent some minutes pestering Kent about weird counters issues, when, actually, `make clean`
was keeping this artifact on my filesystem.
Signed-off-by: Ryan Lahfa <bcachefs@lahfa.xyz>
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We just wanted c sourcefiles out of the top level, not c source
directories.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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This moves the Rust sources out of rust_src/ and into the top level.
Running the bcachefs executable out of the development tree is now:
$ ./target/release/bcachefs command
or
$ cargo run --profile release -- command
instead of "./bcachefs command".
Building and installing is still:
$ make && make install
Signed-off-by: Thomas Bertschinger <tahbertschinger@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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This moves the main() function from C to Rust. It also updates the name
of the Rust package from "bcachefs-rust" to "bcachefs-tools".
Signed-off-by: Thomas Bertschinger <tahbertschinger@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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These are executables that need to be installed in a non-path location.
Most distributions now install these into /usr/libexec, and the
path variable for this is LIBEXECDIR, so use that instead.
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Specifically, do not recursively expand $(CFLAGS) because this leads to
repeatedly performing compile tests (e. g. cc-disable-warning) on every
recipe execution.
Without (nproc=32):
```
$ time env -i PATH=/usr/bin BCACHEFS_FUSE=1 NO_RUST=1 make -j$(nproc)
<...>
[LD] bcachefs
72,48s user 11,29s system 190% cpu 44,036 total
```
With:
```
$ time env -i PATH=/usr/bin BCACHEFS_FUSE=1 NO_RUST=1 make -j$(nproc)
<...>
[LD] bcachefs
66,79s user 5,17s system 1955% cpu 3,679 total
```
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This should use `cargo clean` instead of `rm -rf ...`. Also,
due to a typo, the `rm` did not actually remove the Rust artifacts.
Signed-off-by: Thomas Bertschinger <tahbertschinger@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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clang's default warnings include -Wgnu-variable-sized-type-not-at-end,
producing a lot of false alarms about the GNU extension for libbcachefs.
Disable these using cc-disable-warning when building with clang.
Signed-off-by: Chris Webb <chris@arachsys.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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"fsck/bcachefsck_all:" coming before "all:" in the Makefile
causes the bcachefs binary not being built by default. Fix
this by explicitly setting the .DEFAULT_GOAL=all.
Signed-off-by: Tero Roponen <tero.roponen@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Create a script that looks for mounted bcachefs filesystems and tries to
run as many of them in parallel as possible without two different
scrubbers hitting the same low level block device.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Add some systemd service files so that bcachefs can automatically fsck
mounted filesystems in the background. Hopefully with minimal
disruption to frontend operations.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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* changed in Makefile to use recomended fuse api 35;
* force foreground mode, because fuse_daemonize is forking after initalization other bcachefs threads;
* fix fuse_link, there where mistype in fuse_log (the paremeter need to be inum.inum);
* The write_aligned is fixed, by wrapping struct bch_write_op into container with single closure and using end_io callback to release
that closure.
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- include rules file in rpmspec
- update install docs with udev build requirement
Signed-off-by: Alexander Fougner <fougner89@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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The unending stream of syzbot bug reports and overwrought filing of CVEs
for corner case handling (i.e. things that distract from actual user
complaints) in XFS has generated all sorts of of overheated rhetoric
about how every bug is a Serious Security Issue(tm) because anyone can
craft a malicious filesystem on a USB stick, insert the stick into a
victim machine, and mount will trigger a bug in the kernel driver that
leads to some compromise or DoS or something.
I thought that nobody would be foolish enough to automount an XFS
filesystem. What a fool I was! It turns out that udisks can be told
that it's okay to automount things, and then GNOME will do exactly that.
Including mounting mangled XFS filesystems! Same with bcachefs!
<delete angry rant about poor decisionmaking and armchair fs developers
blasting us on X while not actually doing any of the work>
Turn off /this/ idiocy by adding a udev rule to tell udisks not to
automount bcachefs filesystems.
This will not stop a logged in user from unwittingly inserting a
malicious storage device and pressing [mount] and getting breached.
This is not a substitute for a thorough audit. This is not a substitute
for lklfuse. This does not solve the general problem of in-kernel fs
drivers being a huge attack surface. I just want to give Kent a break
from some of the oceans of bu******.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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flush check more rigorous
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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the command line
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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git describe doesn't work for tarball releases
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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- add helper for cargo update, whilst respecting MSRV
Signed-off-by: Alexander Fougner <fougner89@gmail.com>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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nixos has trouble with the shell script wrappers - readlink isn't
available by default!
But, there's a better approach: just get rid of them and use symlinks
instead, and have main() check what we're supposed to be.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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rebalance_work()
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Also, add helpers for the fuse.bcachefs filesystem type; this means we
can now test the fuse version with fstests.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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To prevent uncontrolled usage of new rust features, directly or from
dependencies, set a minimum supported Rust version and verify it builds.
Signed-off-by: Alexander Fougner <fougner89@gmail.com>
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so that libbcachefs.so builds in a reproducible way
in spite of non-deterministic filesystem readdir order.
See https://reproducible-builds.org/ for why this is good.
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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For systems without working rust/llvm/bindgen, add an option for
building without Rust. This will be less of an option in the future, as
more code gets rewritten in Rust.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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These tests have never been useful; drop them.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
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Incremental builds are fast again
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Add a new make target to build an rpm. This uses rpmbuild --build-in-place,
so no SRPM is created.
Also clean up the specfile to remove manually-added Requires: that will
be auto-generated, add a couple new BuildRequires: and use macros for
file locations.
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
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unions
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Rust is now required for building the bcachefs tool, and rust code is
now fully integrated with the C codebase - meaning it is possible to
call back and forth.
The mount helper is now a subcommand, 'mount.bcachefs' is now a small
shell wrapper that invokes 'bcachefs mount'.
This will make it easier to start rewriting other subcommands in rust,
and eventually the whole command line interface.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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btree roots for all alloc btrees
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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This fixes a ZSTD warning.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Daniel Hill <daniel@gluo.nz>
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This makes it easy to generate a tarball, which should eventually
facilitate packaging: "make tarball"
Note that it's currently using the $(VERSION) from git describe
which may not be ideal once point releases are happening, but that
holds true for everywhere $(VERSION) is used.
All tar.xz files are removed via "make clean"
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
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Make the default "make" output look more like kbuild; this makes
errors and warnings much easier to spot. "Make V=1" will revert to
showing the full command lines.
This is done by redefining some implicit rules to add the echo and
the quiet variable. These changes are similar to those in xfsprogs.
and btrfs-progs
This patch also silences things if pytest-3 is not found.
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
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fastpath time source
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journal entries
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Sometimes user-specific apps create .c files in hidden folders breaking make.
Signed-off-by: Daniel B. Hill <daniel@gluo.nz>
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Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
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